110091819209 has 2 divisors, whose sum is σ = 110091819210. Its totient is φ = 110091819208.

The previous prime is 110091819193. The next prime is 110091819223. The reversal of 110091819209 is 902918190011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62286183184 + 47805636025 = 249572^2 + 218645^2 .

It is a cyclic number.

It is not a de Polignac number, because 110091819209 - 2⁴ = 110091819193 is a prime.

It is not a weakly prime, because it can be changed into another prime (110091819709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55045909604 + 55045909605.

It is an arithmetic number, because the mean of its divisors is an integer number (55045909605).

Almost surely, 2^110091819209 is an apocalyptic number.

It is an amenable number.

110091819209 is a deficient number, since it is larger than the sum of its proper divisors (1).

110091819209 is an equidigital number, since it uses as much as digits as its factorization.

110091819209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 41.

The spelling of 110091819209 in words is "one hundred ten billion, ninety-one million, eight hundred nineteen thousand, two hundred nine".